Let
and
be the number of elves and reindeers, respectively.
We know that:
(so far 14 of them have arrived)
(each reindeer has 4 legs and each elf has two)
If we multiply the first equation by 2 we have
, and if we subtract this equation from the second we have
which implies
.
So, there are 5 reindeers and 9 elves (remember that they have to sum up to 14).
Answer:
73.19
Step-by-step explanation:
4 * (1/2)* (6.5) * (5.63)
Answer:
7 miles × 1
Step-by-step explanation:
If Jamil hiked 7 miles, and Hannah walked ONE times as far then Hannah walked the same distance
If Hannah were to walk 2 times then you double the amount Jamil hikes, but since Hannah only walked 1 times more, the answer stays the same so:
7 miles × 1 times as far = Hannah hiked 7 miles
Your question is incomplete. How much did a small and a medium cost separately. Then add them together.
Answer:
3.1 hrs painting together
Step-by-step explanation:
Lucia rate = 1 room/ 5 hr
Marie rate = 1 room/8hr
now combine the rates
1 room / ( 1/5 + 1/8) = 3.077 hrs